Home / 62,987.68-86,923.20-34,693.44

Finding the Fourth Proportional to 62,987.68, 86,923.20 and 34,693.44

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Solution

The fourth proportional to 62,987.68, 86,923.20 and 34,693.44 is: 47,877.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,987.68 : 86,923.20 = 34,693.44 : x
  2. Step 2: Convert to fraction form
    62,987.68/86,923.20 = 34,693.44/x
  3. Step 3: Cross multiply
    62,987.68x = 86,923.20 × 34,693.44
  4. Step 4: Simplify right side
    62,987.68x = 3,015,664,823.81
  5. Step 5: Solve for x
    x = 3,015,664,823.81/62,987.68
  6. Step 6: Final answer
    x = 47,877.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.